Date & Time Calculators
Ages, calendar dates, and hours worked. Choose a tool below for instant results, formulas, and examples.
Time Card CalculatorCalculate weekly work hours, unpaid breaks, overtime and gross pay. Add multiple shifts per day, handle overnight work, and download your time card.Business Day CalculatorCount working days between dates or add and subtract business days. Choose weekends, include or exclude endpoints, and enter custom holidays.Age CalculatorCalculate age on a chosen date or compare the age difference between two people. See years, months, days, and total elapsed days.Date CalculatorCount days between two dates, include the end date, or add and subtract days and weeks. Find the resulting date and weekday, including leap years.Hours CalculatorCalculate hours between two times, subtract unpaid breaks, and convert the result to decimal hours. Supports overnight and multi-day periods.